What kind of rock is marble?

Marble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Marble may be foliated. In geology the term "marble" refers to metamorphosed limestone, but its use in stonemasonry more broadly encompasses unmetamorphosed limestone.
A.

Which rocks are hard?

The most common types of igneous rocks are:
  • andesite.
  • basalt.
  • dacite.
  • dolerite (also called diabase)
  • gabbro.
  • diorite.
  • peridotite.
  • nepheline.
  • Is a metamorphic rock hard or soft?

    The soft, clay-rich rock known as shale, when subjected to pressure becomes a harder rock called slate. Even coal can be metamorphosed; bituminous (soft) coal, a sedimentary rock, can be changed into anthracite, or hard coal.
  • Are all igneous rocks hard?

    Igneous Rocks. Igneous rocks are formed from molten rock called magma. They are mostly crystalline (made up of interlocking crystals) and usually very hard to break.
  • How does a rock change from one type to another?

    The three main rock types are igneous, metamorphic and sedimentary. The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation. Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.
B.

Where is marble found in the world?

In the United States, the major marble-producing areas are found in Alabama, Colorado, Montana, Tennessee, Texas, and Vermont. Most of the Alabama marble is found in the middle-eastern parts of the state, in Talladega, Bibb, Calhoun, Clay, Coosa, Etowah, Lee, Macon, St. Clair, and Shelby counties.
  • Are marbles made of marble?

    A marble is a small spherical toy often made from glass, clay, steel, plastic or agate. These balls vary in size.
  • What is the formula of a marble?

    Marble is in general terms metamorphosed limestone, mostly composed of recrystallised carbonate minerals. So the bulk of marble is just CaCO3.
  • What is marble used for in everyday life?

    Very few rocks have as many uses as marble. It is used for its beauty in architecture and sculpture. It is used for its chemical properties in pharmaceuticals and agriculture. It is used for its optical properties in cosmetics, paint, and paper.
C.

What is marble used for in everyday life?

Very few rocks have as many uses as marble. It is used for its beauty in architecture and sculpture. It is used for its chemical properties in pharmaceuticals and agriculture. It is used for its optical properties in cosmetics, paint, and paper.
  • What is a marble cake made of?

    A marble cake is a cake with a streaked or mottled appearance (like marble) achieved by very lightly blending light and dark batter. It can be a mixture of vanilla and chocolate cake, in which case it is mainly vanilla, with streaks of chocolate.
  • What kind of rock is Slate?

    Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. It is the finest grained foliated metamorphic rock.
  • What kind of rock is a quartz?

    Quartz is a defining constituent of granite and other felsic igneous rocks. It is very common in sedimentary rocks such as sandstone and shale. It is a common constituent of schist, gneiss, quartzite and other metamorphic rocks.

Updated: 3rd October 2018

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